fdo-mirrors/mesa
1
0
Fork 0
mirror of https://gitlab.freedesktop.org/mesa/mesa.git synced 2026-05-07 17:58:26 +02:00
Code Issues Projects Releases Packages Wiki Activity Actions 4

ac/llvm: reorder/remove variables in visit_load_input

Browse source 
Acked-by: Pierre-Eric
Reviewed-by: Timur Kristóf <timur.kristof@gmail.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/40556>
This commit is contained in:
Marek Olšák 2026-03-19 22:58:41 -04:00 • committed by Marge Bot
parent 195eea461c
commit 264843c51f
1 changed files with 7 additions and 9 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

16
src/amd/llvm/ac_nir_to_llvm.c
View file

@ -2613,13 +2613,9 @@ static LLVMValueRef load_interpolated_input(struct ac_nir_context *ctx, LLVMValu
static LLVMValueRef visit_load_input(struct ac_nir_context *ctx, nir_intrinsic_instr *instr)
{
LLVMValueRef values[8];
LLVMTypeRef dest_type = get_def_type(ctx, &instr->def);
nir_io_semantics sem = nir_intrinsic_io_semantics(instr);
unsigned base = nir_intrinsic_base(instr);
unsigned component = nir_intrinsic_component(instr);
unsigned count = instr->def.num_components;
nir_src offset = *nir_get_io_offset_src(instr);
ASSERTED nir_src offset = *nir_get_io_offset_src(instr);
assert(instr->def.bit_size == 16 || instr->def.bit_size == 32);
/* No indirect indexing allowed. */
@ -2638,22 +2634,24 @@ static LLVMValueRef visit_load_input(struct ac_nir_context *ctx, nir_intrinsic_i
if (instr->intrinsic == nir_intrinsic_load_input_vertex)
vertex_id = nir_src_as_uint(instr->src[0]);
unsigned base = nir_intrinsic_base(instr);
LLVMValueRef attr_number = LLVMConstInt(ctx->ac.i32, base, false);
LLVMTypeRef dest_type = get_def_type(ctx, &instr->def);
LLVMValueRef values[8];
for (unsigned chan = 0; chan < count; chan++) {
for (unsigned chan = 0; chan < instr->def.num_components; chan++) {
LLVMValueRef llvm_chan = LLVMConstInt(ctx->ac.i32, (component + chan) % 4, false);
values[chan] = ac_build_fs_interp_mov(&ctx->ac, vertex_id, llvm_chan, attr_number,
ac_get_arg(&ctx->ac, ctx->args->prim_mask));
values[chan] = LLVMBuildBitCast(ctx->ac.builder, values[chan], ctx->ac.i32, "");
if (instr->def.bit_size == 16 &&
nir_intrinsic_io_semantics(instr).high_16bits)
if (instr->def.bit_size == 16 && sem.high_16bits)
values[chan] = LLVMBuildLShr(ctx->ac.builder, values[chan], LLVMConstInt(ctx->ac.i32, 16, 0), "");
values[chan] =
LLVMBuildTruncOrBitCast(ctx->ac.builder, values[chan],
instr->def.bit_size == 16 ? ctx->ac.i16 : ctx->ac.i32, "");
}
LLVMValueRef result = ac_build_gather_values(&ctx->ac, values, count);
LLVMValueRef result = ac_build_gather_values(&ctx->ac, values, instr->def.num_components);
return LLVMBuildBitCast(ctx->ac.builder, result, dest_type, "");
}